Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
nerdunited.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 00:12:46 UTC · ↺ Refresh
MX Hostnames
- nerdunited-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 99.83.190.102
- 75.2.70.75
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
dns4.p01.nsone.net
dns1.p01.nsone.net
dns2.p01.nsone.net
dns3.p01.nsone.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- google-site-verification=-VVDGV33EAKWPlTgVasYVI8A7Bzvv1WcOSTbXllI618
- bw=A0AJ01CQVwNzZuvn130OVBp8sJbo2JfZjRJ43DozK/Fy
- google-site-verification=-9Er-_Whq_dVnCZ1h9iNMI934r1BziN-crKGREnVlEw
- MS=ms96675895
- SPFv=spf1 include:spf.protection.outlook.com -all
- atlassian-domain-verification=PjFbDnT/qV191IiytJ3XD6L9k0NG10AzR66s0Y4acvHDxlZDa4kr3TWcLN7n5rgq
- hcp-domain-verification=d3380749d0392e4d9c2b5cf01b8d20fc05fb478368ae225b61d355be9ee15371
- docker-verification=61617b9e-dcbe-4601-bcfb-51a68325ef49
- "postman-domain-verification=4482d6b5b0c644346b0c00dd8dc632f4d2608ed5ca41513ac6097b6e6b41ba28"proxy-ssl.webflow.com
- apple-domain-verification=6s0B61H9FdotxEGT
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